Kolbo — the complete, unedited output of the deterministic mcptrustchecker engine v1.13.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.13.0",
"methodologyVersion": "mcptrustchecker-1.13"
},
"target": {
"id": "@kolbo/mcp",
"source": {
"kind": "package",
"origin": "@kolbo/mcp"
},
"server": {
"name": "@kolbo/mcp"
}
},
"grade": "A",
"score": {
"score": 90,
"threatScore": 100,
"grade": "A",
"band": "A",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "client",
"term": "capability-exposure",
"level": "critical",
"label": "capability blast radius (critical) — client exposure if the model is manipulated",
"appliedPenalty": 10
},
{
"kind": "client",
"term": "verification-discount",
"level": "source",
"label": "publisher verification (provenance) — cryptographic build provenance ties the artifact to its source",
"appliedPenalty": 0
},
{
"kind": "client",
"term": "coverage-honesty",
"level": "source",
"label": "inspection depth (source) — how much of the target the scan could see",
"appliedPenalty": 0
}
],
"gatesFired": [],
"methodologyVersion": "mcptrustchecker-1.13"
},
"capability": {
"level": "critical",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"can send data / act on an external service",
"can create, modify or delete files",
"reads sensitive or local data",
"has a read → egress path (a data-exfiltration surface)",
"can execute shell commands or code",
"untrusted-input, sensitive-source and egress co-exist across tools (toxic-flow surface)",
"untrusted input can reach code execution"
],
"tags": [
"untrusted-input",
"sensitive-source",
"external-sink",
"file-write",
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (171 recovered), not enumerated from a running server. Tool-poisoning, Unicode-smuggling, capability and toxic-flow analysis ran on this inferred surface, but a mis-parsed registration could be missed or mis-attributed, so tool-derived findings are capped below “confirmed”. To grade the real runtime surface, scan the running server: --command \"npx -y <package>\"."
]
},
"findings": [
{
"ruleId": "MTC-FLOW-002",
"title": "Completed toxic-flow trifecta across tools",
"category": "exfiltration",
"severity": "critical",
"confidence": "strong",
"description": "This server (without client built-ins) exposes a complete data-exfiltration chain: acquire_clean_music_track → blender_execute_python → chat_send_message. Untrusted input is ingested, private data is read, and it can be sent to an external sink via the agent composing the tools (→). Static analysis proves the primitive exists, not that a specific run will occur.",
"remediation": "Remove one leg of the trifecta: isolate untrusted-input tools from secret-reading tools and from egress tools, or require human approval between them.",
"location": {
"kind": "flow",
"name": "acquire_clean_music_track → blender_execute_python → chat_send_message"
},
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"untrusted": [
"blender_search_docs",
"chat_send_message",
"chat_get_messages",
"transcribe_audio",
"get_moodboard",
"browse_music_library",
"acquire_clean_music_track",
"get_review_asset",
"get_stock_asset",
"get_visual_dna"
],
"sources": [
"blender_execute_python"
],
"sinks": [
"chat_send_message"
],
"path": [
"acquire_clean_music_track",
"blender_execute_python",
"chat_send_message"
],
"edges": [
{
"from": "acquire_clean_music_track",
"to": "blender_execute_python",
"kind": "agent-mediated"
},
{
"from": "blender_execute_python",
"to": "chat_send_message",
"kind": "agent-mediated"
}
],
"wired": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (src/auth.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/auth.js:18`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.",
"remediation": "Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.",
"location": {
"kind": "server",
"name": "src/auth.js"
},
"evidence": "nst { exec } = require('child_process'); const fs = require('fs'); const path = require('path'); const os = require('os'",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "src/auth.js",
"line": 18,
"nonRuntime": false
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"unlink_project_asset\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"unlink_project_asset\" can write, overwrite or delete files (keyword \"unlink\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "unlink_project_asset"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"unlink_project_asset\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"unlink_project_asset\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "unlink_project_asset"
},
"data": {
"tags": [
"file-write"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "critical",
"confidence": "strong",
"untrustedInput": [
"blender_search_docs",
"chat_send_message",
"chat_get_messages",
"transcribe_audio",
"get_moodboard",
"browse_music_library",
"acquire_clean_music_track",
"get_review_asset",
"get_stock_asset",
"get_visual_dna"
],
"sensitiveSource": [
"blender_execute_python"
],
"externalSink": [
"chat_send_message"
],
"selfContained": false,
"path": [
"acquire_clean_music_track",
"blender_execute_python",
"chat_send_message"
],
"pathWired": false,
"description": "A cross-tool exfiltration chain exists: acquire_clean_music_track → blender_execute_python → chat_send_message."
}
],
"capabilities": [
{
"tool": "list_agents",
"tags": [],
"reasons": {}
},
{
"tool": "create_agent",
"tags": [],
"reasons": {}
},
{
"tool": "update_agent",
"tags": [],
"reasons": {}
},
{
"tool": "delete_agent",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_video",
"tags": [],
"reasons": {}
},
{
"tool": "publish_html_artifact",
"tags": [],
"reasons": {}
},
{
"tool": "separate_audio_stems",
"tags": [],
"reasons": {}
},
{
"tool": "clean_dialogue_leftovers",
"tags": [],
"reasons": {}
},
{
"tool": "separate_ambience",
"tags": [],
"reasons": {}
},
{
"tool": "blender_list_sessions",
"tags": [],
"reasons": {}
},
{
"tool": "blender_get_scene",
"tags": [],
"reasons": {}
},
{
"tool": "blender_search_docs",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "blender_capture_viewport",
"tags": [],
"reasons": {}
},
{
"tool": "blender_apply_operations",
"tags": [],
"reasons": {}
},
{
"tool": "blender_import_media",
"tags": [],
"reasons": {}
},
{
"tool": "blender_render",
"tags": [],
"reasons": {}
},
{
"tool": "blender_undo",
"tags": [],
"reasons": {}
},
{
"tool": "blender_file_operation",
"tags": [],
"reasons": {}
},
{
"tool": "blender_execute_python",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"read_file\""
]
}
},
{
"tool": "blender_get_command_status",
"tags": [],
"reasons": {}
},
{
"tool": "chat_send_message",
"tags": [
"untrusted-input",
"external-sink"
],
"reasons": {
"untrusted-input": [
"keyword \"web_search\""
],
"external-sink": [
"keyword \"send_message\""
]
}
},
{
"tool": "chat_list_conversations",
"tags": [],
"reasons": {}
},
{
"tool": "chat_get_messages",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "list_color_palettes",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_color_palette",
"tags": [],
"reasons": {}
},
{
"tool": "create_color_palette",
"tags": [],
"reasons": {}
},
{
"tool": "update_color_palette",
"tags": [],
"reasons": {}
},
{
"tool": "delete_color_palette",
"tags": [],
"reasons": {}
},
{
"tool": "activate_color_palette",
"tags": [],
"reasons": {}
},
{
"tool": "deactivate_color_palette",
"tags": [],
"reasons": {}
},
{
"tool": "create_doc",
"tags": [],
"reasons": {}
},
{
"tool": "list_docs",
"tags": [],
"reasons": {}
},
{
"tool": "get_doc",
"tags": [],
"reasons": {}
},
{
"tool": "update_doc",
"tags": [],
"reasons": {}
},
{
"tool": "share_doc",
"tags": [],
"reasons": {}
},
{
"tool": "delete_doc",
"tags": [],
"reasons": {}
},
{
"tool": "generate_image",
"tags": [],
"reasons": {}
},
{
"tool": "generate_image_edit",
"tags": [],
"reasons": {}
},
{
"tool": "generate_creative_director",
"tags": [],
"reasons": {}
},
{
"tool": "get_creative_director_status",
"tags": [],
"reasons": {}
},
{
"tool": "generate_video",
"tags": [],
"reasons": {}
},
{
"tool": "generate_video_from_image",
"tags": [],
"reasons": {}
},
{
"tool": "generate_music",
"tags": [],
"reasons": {}
},
{
"tool": "generate_speech",
"tags": [],
"reasons": {}
},
{
"tool": "generate_sound",
"tags": [],
"reasons": {}
},
{
"tool": "get_generation_status",
"tags": [],
"reasons": {}
},
{
"tool": "cancel_generation",
"tags": [],
"reasons": {}
},
{
"tool": "generate_elements",
"tags": [],
"reasons": {}
},
{
"tool": "generate_first_last_frame",
"tags": [],
"reasons": {}
},
{
"tool": "generate_lipsync",
"tags": [],
"reasons": {}
},
{
"tool": "generate_video_from_video",
"tags": [],
"reasons": {}
},
{
"tool": "transcribe_audio",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "generate_3d",
"tags": [],
"reasons": {}
},
{
"tool": "edit_image",
"tags": [],
"reasons": {}
},
{
"tool": "edit_video",
"tags": [],
"reasons": {}
},
{
"tool": "trim_video",
"tags": [],
"reasons": {}
},
{
"tool": "media_upload_widget",
"tags": [],
"reasons": {}
},
{
"tool": "create_upload_ticket",
"tags": [],
"reasons": {}
},
{
"tool": "upload_media",
"tags": [],
"reasons": {}
},
{
"tool": "list_media",
"tags": [],
"reasons": {}
},
{
"tool": "favorite_media",
"tags": [],
"reasons": {}
},
{
"tool": "unfavorite_media",
"tags": [],
"reasons": {}
},
{
"tool": "list_media_folders",
"tags": [],
"reasons": {}
},
{
"tool": "create_media_folder",
"tags": [],
"reasons": {}
},
{
"tool": "update_media_folder",
"tags": [],
"reasons": {}
},
{
"tool": "delete_media_folder",
"tags": [],
"reasons": {}
},
{
"tool": "add_media_to_folder",
"tags": [],
"reasons": {}
},
{
"tool": "remove_media_from_folder",
"tags": [],
"reasons": {}
},
{
"tool": "share_media_folder",
"tags": [],
"reasons": {}
},
{
"tool": "get_media",
"tags": [],
"reasons": {}
},
{
"tool": "delete_media",
"tags": [],
"reasons": {}
},
{
"tool": "restore_media",
"tags": [],
"reasons": {}
},
{
"tool": "permanently_delete_media",
"tags": [],
"reasons": {}
},
{
"tool": "move_media",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_delete_media",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_restore_media",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_permanently_delete_media",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_move_media",
"tags": [],
"reasons": {}
},
{
"tool": "move_folder_contents",
"tags": [],
"reasons": {}
},
{
"tool": "get_media_stats",
"tags": [],
"reasons": {}
},
{
"tool": "unshare_media_folder",
"tags": [],
"reasons": {}
},
{
"tool": "list_models",
"tags": [],
"reasons": {}
},
{
"tool": "check_credits",
"tags": [],
"reasons": {}
},
{
"tool": "get_session_usage",
"tags": [],
"reasons": {}
},
{
"tool": "show_plans",
"tags": [],
"reasons": {}
},
{
"tool": "list_moodboards",
"tags": [],
"reasons": {}
},
{
"tool": "get_moodboard",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "create_moodboard",
"tags": [],
"reasons": {}
},
{
"tool": "update_moodboard",
"tags": [],
"reasons": {}
},
{
"tool": "delete_moodboard",
"tags": [],
"reasons": {}
},
{
"tool": "search_music_library",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_script_for_music",
"tags": [],
"reasons": {}
},
{
"tool": "browse_music_library",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "get_music_library_facets",
"tags": [],
"reasons": {}
},
{
"tool": "get_music_track_audio",
"tags": [],
"reasons": {}
},
{
"tool": "acquire_clean_music_track",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "import_music_track_to_library",
"tags": [],
"reasons": {}
},
{
"tool": "get_music_track_related",
"tags": [],
"reasons": {}
},
{
"tool": "get_music_track_lyrics",
"tags": [],
"reasons": {}
},
{
"tool": "list_presets",
"tags": [],
"reasons": {}
},
{
"tool": "list_cinematic_presets",
"tags": [],
"reasons": {}
},
{
"tool": "list_projects",
"tags": [],
"reasons": {}
},
{
"tool": "move_session",
"tags": [],
"reasons": {}
},
{
"tool": "bulk_move_sessions",
"tags": [],
"reasons": {}
},
{
"tool": "list_session_generations",
"tags": [],
"reasons": {}
},
{
"tool": "move_generations_to_session",
"tags": [],
"reasons": {}
},
{
"tool": "split_session",
"tags": [],
"reasons": {}
},
{
"tool": "undo_session_organization",
"tags": [],
"reasons": {}
},
{
"tool": "create_project",
"tags": [],
"reasons": {}
},
{
"tool": "duplicate_project",
"tags": [],
"reasons": {}
},
{
"tool": "get_project",
"tags": [],
"reasons": {}
},
{
"tool": "update_project",
"tags": [],
"reasons": {}
},
{
"tool": "archive_project",
"tags": [],
"reasons": {}
},
{
"tool": "unarchive_project",
"tags": [],
"reasons": {}
},
{
"tool": "list_sessions",
"tags": [],
"reasons": {}
},
{
"tool": "rename_session",
"tags": [],
"reasons": {}
},
{
"tool": "delete_session",
"tags": [],
"reasons": {}
},
{
"tool": "restore_session",
"tags": [],
"reasons": {}
},
{
"tool": "add_project_context",
"tags": [],
"reasons": {}
},
{
"tool": "list_project_context",
"tags": [],
"reasons": {}
},
{
"tool": "delete_project_context",
"tags": [],
"reasons": {}
},
{
"tool": "get_project_profile",
"tags": [],
"reasons": {}
},
{
"tool": "list_project_assets",
"tags": [],
"reasons": {}
},
{
"tool": "link_project_asset",
"tags": [],
"reasons": {}
},
{
"tool": "unlink_project_asset",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"unlink\" in tool name"
]
}
},
{
"tool": "update_project_asset",
"tags": [],
"reasons": {}
},
{
"tool": "regenerate_project_profile",
"tags": [],
"reasons": {}
},
{
"tool": "get_review_storage_usage",
"tags": [],
"reasons": {}
},
{
"tool": "list_review_assets",
"tags": [],
"reasons": {}
},
{
"tool": "get_review_asset",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "create_review_asset",
"tags": [],
"reasons": {}
},
{
"tool": "update_review_asset",
"tags": [],
"reasons": {}
},
{
"tool": "add_review_version",
"tags": [],
"reasons": {}
},
{
"tool": "set_review_status",
"tags": [],
"reasons": {}
},
{
"tool": "delete_review_asset",
"tags": [],
"reasons": {}
},
{
"tool": "list_review_collections",
"tags": [],
"reasons": {}
},
{
"tool": "create_review_collection",
"tags": [],
"reasons": {}
},
{
"tool": "update_review_collection",
"tags": [],
"reasons": {}
},
{
"tool": "delete_review_collection",
"tags": [],
"reasons": {}
},
{
"tool": "list_review_comments",
"tags": [],
"reasons": {}
},
{
"tool": "create_review_comment",
"tags": [],
"reasons": {}
},
{
"tool": "reply_review_comment",
"tags": [],
"reasons": {}
},
{
"tool": "edit_review_comment",
"tags": [],
"reasons": {}
},
{
"tool": "delete_review_comment",
"tags": [],
"reasons": {}
},
{
"tool": "resolve_review_comment",
"tags": [],
"reasons": {}
},
{
"tool": "unresolve_review_comment",
"tags": [],
"reasons": {}
},
{
"tool": "create_review_share_link",
"tags": [],
"reasons": {}
},
{
"tool": "list_review_share_links",
"tags": [],
"reasons": {}
},
{
"tool": "revoke_review_share_link",
"tags": [],
"reasons": {}
},
{
"tool": "search_stock_media",
"tags": [],
"reasons": {}
},
{
"tool": "get_stock_sources",
"tags": [],
"reasons": {}
},
{
"tool": "get_stock_categories",
"tags": [],
"reasons": {}
},
{
"tool": "get_stock_collections",
"tags": [],
"reasons": {}
},
{
"tool": "get_stock_asset",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "analyze_script_for_stock",
"tags": [],
"reasons": {}
},
{
"tool": "import_stock_asset",
"tags": [],
"reasons": {}
},
{
"tool": "create_visual_dna",
"tags": [],
"reasons": {}
},
{
"tool": "list_visual_dnas",
"tags": [],
"reasons": {}
},
{
"tool": "get_visual_dna",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "update_visual_dna",
"tags": [],
"reasons": {}
},
{
"tool": "delete_visual_dna",
"tags": [],
"reasons": {}
},
{
"tool": "generate_character_sheet",
"tags": [],
"reasons": {}
},
{
"tool": "list_visual_dna_folders",
"tags": [],
"reasons": {}
},
{
"tool": "create_visual_dna_folder",
"tags": [],
"reasons": {}
},
{
"tool": "update_visual_dna_folder",
"tags": [],
"reasons": {}
},
{
"tool": "delete_visual_dna_folder",
"tags": [],
"reasons": {}
},
{
"tool": "move_visual_dna_to_folder",
"tags": [],
"reasons": {}
},
{
"tool": "list_voices",
"tags": [],
"reasons": {}
},
{
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